But once established, tough Purple Robe Locust trees are also super hardy and drought tolerant with a brisk growth rate of 2 or 3 feet of growth each year. You can differentiate between these two major types of locust trees by checking out the thorns at the branches and barks. The honey locust (Gleditsia triacanthos), also referred to as the thorny locust or . Honey Locust Tree (Gleditsia Triacanthos). Clusters of heavily scented pink-purple flowers dangle from the locust tree, filling your garden with spring colors. Bees produce a delicious honey from the flowers. Promptly remove suckers as they appear unless naturalization is desired. Many also harvest entire seed pods to create livestock feed. One thing to note about the rose acacia or bristly locust tree is that it is an aggressive grower, which is why it is classified as an invasive locust shrub in some places, like Michigan, Ohio, and Washington. It has a rapid growth rate and lives up to an average age of 100 years. One more thing that honey locusts can do for you is supplying you with highly durable wood and timber. Common names: Cut new growths and stems and be patient as you may have to do them several times throughout the year. . Purple Robe Locust Starting at $29.95 Ruby Lace Locust Locust Trees Locust trees are highly versatile and thrive throughout the entire United States. It is important to identify species of locust trees as some varieties are toxic. Additionally, 'Purple Robe' is incredibly tough, super hardy, and drought tolerant. Scientific names: Robinia pseudo-acacia. The leaflets are 0.6 to 1 (1.5 2.5 cm) and are arranged alternately on the leaf stem. Purple Robe Locust botanical name is Robinia pseudoacacia, an improvement of the native Black Locust tree. It thrives at a neutral level, too. In the fall, the green leaves turn to a stunning bright yellow color. The large compound leaves have smaller blue-green leaflets, and you'll love the fine-textured look of the tree in summer. Plant your small bristly locust tree in full sun and well-draining soil. It has a trunk and branches with stout spines that are usually branched, though not as big as the honey locusts spines. It mixes well with the black locusts white racemes or inflorescences, resulting in the nicely set shape of the trees branches in reddish black. With its scientific name Robinia neomexicana, the New Mexico locust tree is also famous as a native plant in Southwest US. The fruits are flat brown legumes (pods) and are 4 inches long. Black locust leaves are made up to 7-21 paired leaflets on both sides of a common stalk (pinnately compound). The leaves on honey locust trees appear slightly earlier than on black locust trees. How long do purple robe locust trees live? The thorns grow on branches at the base of a cluster of leaves, so it would be easy for an animal to eat the thorns while also taking a bite of leaves. The purple robe is a variety of black locust tree that develops showy, fragrant, purple flowers each spring. Research has shown increases in nitrogen in barley grain crops interplanted with locust, and black walnuts interplanted with locust as "nurse" trees were shown to rapidly increase their growth. It was magnificent. Each cluster may be up to eight inches long and covers the tree profusely. 11.1-Gallon Pink Flowering Purple Robe Locust. Be sure to place your order as soon as you see this gorgeous tree in stock. The 8 inch fragrant clusters cover the tree profusely! The leaves on black locust trees are pinnately compound and grow to about 10 (25 cm) long. Among these locust varieties are the following: If you are in search of a thornless locust tree, the Imperial honey locust is ideal for you. The fern-like leaves and widely spaced branches give enough shade without completely blocking out sunlight. Wait until late spring, when the flowers are done blooming, before making any cuts. The two are deciduous trees that also work well in the landscape. Purple Robe Locust Tree. 4. Similar to other cultivated honey locust trees, the Purple Robe grows to between 30 and 40 ft. (9 12 m) tall and has a spread of up to 30 ft. (9 m) wide. Walk around each locust tree in your landscape to look for shoots coming up at the base of the trees. It is also effective in terms of erosion control. RELATED SEARCHES. You can see these thorns along the trees lower branches and their trunk. Thornless locust trees have beautiful foliage, bright flowers, and attract honey bees. New foliage is bronzy-red. This tree can sucker to the point of forming colonies. There could also be dark green leaves. Purple Robe Black Locusts make great street trees, too, handling the tough conditions by your road with ease. However, all of them are aesthetically pleasing and boast of their nice scents. Fall clean up is easy with the small leaves. Late spring and early summer bring out the beautiful fragrant purple-pink clusters of flowers on this locust tree. Purple-pink pendulous flowers provide plenty of color to a garden in late spring and early summer. root plants are sold by height from the top of the root system to the top of the plant. The earliest reports of possible poisoning associated with the black locust involved horses, which either became severely ill or died from swallowing parts of the tree. The upright, rounded growth and short, irregular Other insect problems include caterpillars, weevils, scale and whiteflies. Due to winter weather we have put a hold on shipping to the areas shown below in grey. New growth is bronzy red. This is also a drought-tolerant tree capable of blooming fragrant white flowers. The new foliage emerges tinged with purple and matures to a bronze-green color. An effective way to control it is to identify the root suckers immediately and then get rid of them equally. These prickly spikes can grow singularly or on thorned branches. JavaScript seems to be disabled in your browser. Locust borer is a serious pest of black locust. This variety is a mid-west US native capable of growing in cold and moist locations. The following are five purple-blooming trees to consider planting once the weather cools off. If you are looking for trees with purple flowers, some good choices are Texas Mountain Laurel, Purple Robe Locust, Chaste Tree, Crepe Myrtles, Royal Empress Tree, or the Eastern Redbud. Black locust is a fast growing tree that can reach up to 75 feet in height. This article explains more about the amazing locust trees and how to deal with their thorns. The wood is weak and brittle making it subject to storm damage. Purple-robe locust trees need full sun, although they will tolerate light shade. She holds a B.A. Your Cart. Join in The Morton Arboretum's mission to plant and protect trees for a greener, healthier, and more beautiful world. Dark purple fragrant flowers in May to June. Black locust trees, for instance, spread really fast through root suckers and self-seeding. Black locust is resistant to, Robinia pseudoacacia L. (black locust), inflorescence, Robinia pseudoacacia L. (black locust), bark. You also have less work in the fall to clear up shed foliage. Our plants are grown all over the country and lead time on items may be different because of this. 5. Per the U.S. Department of Agriculture's Forest Service, because of their invasive nature, the purple robe locust tree is best used for reclamation purposes or along roadsides where they will be neglected. Sites that display the Plant Sentry protection badge are protected from consumers buying and nurseries shipping material carrying invasive pests and diseases. Prune purple locusts in the fall or winter when the tree is dormant, advises the University of Utah, as spring pruning will cause the tree's sap to bleed. Just like the black locust, the species of honey locust grows in many different environments and thrives in full sun. 3. Several of its varieties come with long, fierce, and sharp thorns that tend to grow in pairs. The feather fern foliage and branches that are spaced widely apart mean that this locust tree is another excellent tree to provide shade in a backyard or garden landscape. Review of the risks should be undertaken before selecting these trees. It has to be in a soil that drains well. Black locusts have invasive traits that enable them to spread aggressively. Fragrant wisteria-like violet purple flowers in pendant racemes (to 8 long) bloom in mid to late spring. It is reportedly a hybrid cross between R. ambigua Decaisneana and R. hispida Monument. It is noted for its attractive compound leaves and pendant racemes of violet purple pea-like flowers. Similar to the honey locust, the black locust tree can withstand poor soil, drought, and damp growing environments. These are sweet-tasting peas that animals enjoy eating. Fall clean up is easy with these small leaves, too! Seedlings and root sprouts have long thorns and grow rapidly. If you want a thornless variety of skyline locust tree, look for the Gleditsia triacanthos f. inermis Skycole cultivar. Follow the guidelines in the Plant Highlights for the best results. Black locust timber (left) and bark (right). This fast-growing native tree can form colonies and has brittle wood. Robinia hispida is a nice dwarf tree with pink flowers and the exact same look as a purple robe locust, but a compact form that only gets 10 feet high. This cultivar of black locust probably grows to about 40 feet tall with a spread of 20 to 35 feet. The New Mexico locust tree grows to between 16 and 32 ft. (5 10 m). She proliferates up arbors, pergolas, fences, and stunning as a ground cover to retain hills. Honey locust can also produce the heaviest and largest pods around ten to eighteen inches long and one inch wide. . His raiment was a scarlet purple robe. 5. The most common and popular among the many locust varieties are the honey locust (Gleditsia triacanthos) and black locust or Robinia pseudoacacia. Leaves are between 4 and 6 (10 15 cm) long and are fern-like similar to all trees in the Robinia and Gleditsia genera. Despite that, they still have this unique decorative trait of producing a huge number, especially upon turning bright red in color and then eventually, brown. Because of its thick and large branches, you can also easily distinguish the New Mexico locust tree. Fixes nitrogen. Bare It can also spread to around 20 to 35 feet. It can withstand high heat, full sun, acidic or alkaline soil, and urban pollution. Sunshine Geraniums make gardening brighter! Why Black Locust Trees have thorns. The bark, seed pods, branches, and leaves are considered to be toxic. The New Mexico locust tree also boasts an average growth of 10 feet. The beautiful Purple Robe Black Locust tree. Unlike the black locust, the honey locust tree trunk has thorny branches growing around it. Purple Robe Locust trees are very hard wooded and will tolerate storms well. Leaves are divided into 7 to 19 leaflets, 1 to 2 inches long and are arranged in pairs. Tolerates a wide range of soils including sandy or nearly barren ones. fruits are smooth, flat, purple-brown seed pods, up to 4-inch long, seen from July to November, and may persist through winter Insects, Diseases, or Other Plant Problems: It is susceptible to locust borer (often fatal) and locust leaf miner (brown foliage). Almost any soil condition will do, including clay, sand or loam that is acidic to alkaline, with a preference for a pH ranging from about 6.8 to 7.7 and an organically rich loam. Note, though, that the purple robe locust tree has this invasive nature, which is why it is not ideal for household lawns. Do you know that black locust trees are also effective in producing honey? It derived its name from the fact that it indeed has no thorns at the twigs and barks, making it distinguishable from other honey locust trees. This flower color is unusual for trees in the genus Robinia as the flowers are commonly white. It's become incredibly popular because of the great purple flower color and excellent fragrance. . Small hairs or bristles growing on the dark green leaves give them a grayish appearance. The locust also falls under hardy trees famous for their durable and hard wood, colorful fall foliage, and sweet-smelling flowers for spring. 5. . Flowers white, fragrant, .5-.8 inches (1.3-2cm) long, in dense, hanging clusters 4-8 inches (10.2-20.3cm) long. The black locust tree is also called False Acacia, Fragrant White Locust, and Common Robinia. It is native to states such as Pennsylvania, Alabama, Georgia, Missouri, and southern Ohio. The large compound leaves have smaller blue-green leaflets, and youll love the fine-textured look of the tree in summer. It also has mildly scented yellow flowers that bloom beginning from spring to summer. The roots and seeds of the purple robe tree spread so aggressively that it is considered invasive. It can grow in just about any condition as long as the soil drains quickly after a rain. This thorny tree also works well to control erosion. There is a high chance for its trunk to become really large. Plants are offered in both Honey locust is also commonly used in landscaping. Help trees thrive in the Chicago region and around the world. It is famous for its ability to grow large clusters or groups of pea-like flowers that tend to bloom during the spring. The tree grows to 45 ft. (13 m) and has a canopy spread of 35 ft. (10 m). Honey locust trees grow tall and full quickly and their limbs are adorned with thorns that can grow up to 2 in. This beautiful black locust tree is also incredibly attractive, with eye-catching aesthetics. Greenish-white, inconspicuous flowers appear in May and June and turn into long twisted seedpods that are a purple color. While this tree can provide excellent shade, its branches have sharp thorns, so be careful when handling them. It can even tolerate salt and drought. The leaves are also toxic, but in addition to thorn toxicity is the problem of extreme pain when swallowing thorns that grow up to 2 inches long. In several cases, you have to perform the treatment method again, regardless of what it is, to keep the tree under control. Another identifying feature of locust trees is their sharp thorns that can measure 1.2 to 4 (3 10 cm) long. The thorns of a Black Locust Tree are a product of evolution, and act as a deterrent to mammals browsing the foliage. An easy-care, fast-growing specimen in lawns. The Plant Sentry system includes a shipment certification program. Its wide spread, lack of thorns, and pod-less characteristics mean it is not a messy tree. The trunk is long and straight with an interesting branching pattern. Similar to other cultivated honey locust trees, the 'Purple Robe' grows to between 30 and 40 ft. (9 - 12 m) tall and has a spread of up to 30 ft. (9 m) wide. The trees are also resistant to saline conditions, lack of water, and high winds. Black Locust (Robinia pseudoacacia) Flowers. It is unique in that it grows upright, which is why you can commonly find it in streets and parks. Note, though, that aside from the locust wood, it can also supply other benefits among which are the following: These are among those locusts capable of supplying people with food. These trees grow so fast that, in some regions, they are in the class of an invasive plant species. You are here: Home Locust Trees Purple Robe Locust. Tolerates some light shade, but avoid shady locations. Beanlike, 4 inches (10.2cm) pods turn brown and . Shop our Robinia Purple Locust trees for sale at Willis Orchards today. Ingesting it may have fatal effects, though, it has been discovered that it is rare for people to get poisoned because of coming in direct contact with this tree. I fell in love last Thursday. Leaves and stem. - And they clothe him with purple, and plaiting a crown of thorns, they put it on him; and they began to salute him, Hail, King of the Jews! Purple robe black locust (Robinia pseudoacacia 'Purple Robe') It is considered as one of the most beautiful locust trees because its leaves change in every growth stage. Timing is important! It also has fragrant white flowers capable of attracting insects, including bees. This is a very distinctive and unique variety that the sweet scent of its flowers will definitely invite pollinators and humans to your garden. Come discover lush, green landscapes, and find respite and inspiration in the shade of towering trees. They clothe him with purple ( ).So also says St. John (John 21:2, ).St. Honey locust tree bark is gray-brown to red-brown and is covered in clumps of branched thorns. Honey locusts also have inflorescences that are not that rich and thick, making them different from other varieties. These beautifully fragrant clusters cover the tree profusely that grows up to eight inches long each! Javelina and rabbit proof, this bloomer is a must-have. Arizona plant. It is considered to be a good selection for difficult areas in the landscape where other trees will not grow well.